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Re: [GNU ELPA] New package: tam
From: |
Stefan Monnier |
Subject: |
Re: [GNU ELPA] New package: tam |
Date: |
Thu, 21 Sep 2023 09:59:14 -0400 |
User-agent: |
Gnus/5.13 (Gnus v5.13) |
> You're correct, the accessors and setfs _are_ inlined as arefs and
> asets.
Thanks for confirming.
> accessor. There are a lot of type-of, all of which are excessive for
> this type of low-level function.
You might be able to remove those by playing with the optimization
level, e.g.:
(cl-declaim (optimize (speed 3)))
> or tam--pool. In any case, every call operation invokes maybe_gc
> unconditionally, so there is a chance of a GC occuring during the
> execution of the byte-vector.
The GC can occur right before or right after since the act of calling
your functions will go through `maybe_gc`, in any case, so I doubt
that will ever make a significant difference.
>> > Aside from the unknown complexity of invoking those functions, every
>> > call has a risk of overflowing the current stack and requiring an
>> > additional stack segment be allocated.
>> That would still be O(1) in my book.
> Is that actually guaranteed?
Yes.
> I haven't looked to see if obtaining an additional stack segment might
> cause a gc or just a system call to get more memory.
AFAIK, Emacs is not run as a real-time task, so I wonder why you're
worrying about that.
[ And no, an additional stack segment should not trigger GC, AFAIK. ]
Stefan
- [GNU ELPA] New package: tam, Lynn Winebarger, 2023/09/17
- Re: [GNU ELPA] New package: tam, Philip Kaludercic, 2023/09/18
- Re: [GNU ELPA] New package: tam, Lynn Winebarger, 2023/09/18
- Re: [GNU ELPA] New package: tam, Philip Kaludercic, 2023/09/18
- Re: [GNU ELPA] New package: tam, Lynn Winebarger, 2023/09/19
- Re: [GNU ELPA] New package: tam, Philip Kaludercic, 2023/09/20
- Re: [GNU ELPA] New package: tam, Lynn Winebarger, 2023/09/20
- Re: [GNU ELPA] New package: tam, Stefan Monnier, 2023/09/20
- Re: [GNU ELPA] New package: tam, Lynn Winebarger, 2023/09/21
- Re: [GNU ELPA] New package: tam,
Stefan Monnier <=
- Re: [GNU ELPA] New package: tam, Lynn Winebarger, 2023/09/21
- Re: [GNU ELPA] New package: tam, Stefan Monnier, 2023/09/21
- Re: [GNU ELPA] New package: tam, Philip Kaludercic, 2023/09/21
Re: [GNU ELPA] New package: tam, Adam Porter, 2023/09/18
Re: [GNU ELPA] New package: tam, Stefan Monnier, 2023/09/20